Antiskidding device for vehicle-wheels.



1. Hmose. ANTISKIDDING DEVICE FOR VE'HICLE WHEELS.

APPLICATION FILED MAR. 2l 1917.

A.Patented Aug. 7, 1917.

LBQO

2 SHEETS-SHEET l.

. (www 1. H. Rosta. y ANTISKIDD-ING DEVICE FOR VEHICLE WHEELS.

APPLICATION FILED MAR. 2l. ISI?.

Pwten'fed Aug. 7, 1917.

2 SHEETS-SHEET 2.

JOHN H. ROSE, OF LEADVILLE, COLORADO.

ANTISKIDDING DEVICE FOR VEHICLE-WHEELS.

Application led March 21, 1917.

10 all whom t may concern.'

Be it known that l, Joux ll. Rosie, a citizen ot' the United States, residing at Leadville, in the county of Lake and State of Colorado, have invented a new and useful Antiskidding Device for lrehiele-lVheels, of which the following is a specification.

This invention relates to anti-skidding dcvices for vehicle wheels.

The primary object of the 'invention is to provide, in connection with the ordinary form of vehicle wheel, an attachment having spurs movable into and out of engaging position with the road be'd.

Another object is to construct the spurs of the anti-skidding device so that their length may be decreased or increased with respect to the size of a vehicle tire to conform to various types of road beds.

A further object of the invention is to provide means for positively locking the spurs into 0r out of engaging position with the road bed..

With the foregoing,r and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed` can be made within the scope of what is claimed, withoutdeparting from the s'pirit of the invention.

In the accompanying drawings the preferred form of theI invention has been shown.

Figure 1 is a side view of the invention partly brokenhaway to illustrate the operative positions of the parts with respect to a road bed.

Fig. 2 is a transverse view on the line 2-2 of Fig'. l.

Fig. 3 is a side view of the invention partly broken away to illustrate. the position of the parts when out of engagement with a road bed'.

Fig. 4l is a view ofthe spur locking means.

Tn thedrawings` the numeral 1 designates the spokes of a vehicle wheel and Z the felly upon which is mounted tbe eleneher rim 5l engaging a vpneumatic tire l. An annular Specication'of Letters Patent.

Patented Auw. 7, 191'?.

serial No. 156,349.

back plate 5 is provided with a peripheral flange G upon which is seated a movable ring 7 having a rack segment S-set in a cut away portion of the periphery thereof. An annular front plate 9 is provided with a peripheral flange 10 within which is seated the flange 11 of the movable ring 7. A rigid ring 12 has a flange 13 provided with alined spaced apart openings for the reception of spurs 14. The shanks 15 of the spurs 11 are provided with heads 16 and are longitudinally movable within the swivel eyes 17 against the action of coil springs 18. The swivel eyes 17 are pivotcd to the movable '.ring 7 topermit turning movement of the spurs 14 upon rotatin of the movable ring to decrease the spur length exteriorly of the rigid ring 12. d

A pinion 19 mounted upon a stub shaft 20 jonrnaled through an opening in the back plate 5 engages the rack segment 8 to move the movable ring 7. A ratchet 21 upon the stub shaft Q0 is engaged by a spring actuated pawl Q2 to hold the movable ring 7 at rest.

v lVhen it is desired to move the spurs 14 into engagement with a road bed. the movable ring 7 is rotated by means of the pinion 19 and rack segment S until the spurs 14 are radially positioned as is illustrated in Fig. 1. Adaptation of the device to hard roads is effected by providing for longitudinal movement ol the spurs 14 within the swivel eyes 17 against the coil springi18. By rotating the movable ring 7 further, the spurs .14 are withdrawn to an inoperative position with respect to the road'bed and lie tangent to the circle defined by the innerl periphery of the movable ring 7.

Attention is directed to the simple man ner in which the device is attached to a ve hicle wheel. Bolts Q3 carried by the felly 2 of the vehicle wheel extend through back plate 5, rigid ring 12 and front plate 9 to both hold the device assembled and securely upon the wheel.

What is claimed isz'- In an anti-skidding device, the combination with a vehicle wheel` of a casing comprising annular sections, one of the sections being movable. said casing provided with peripheral apertures, spurs swiveled'ftothe movable section and slidable through the In testimony that I claim the foregoing as apertures, a segmental rack on the movable my own, I have hereto affixed my Signature section, a pinion journaled in the easing and in the presence of two witnesses.

n in mesh with the rack, means for revolving JOI-IN I-LROSE. 5 the pinion to turn the movable section and Witnesses:

'project the spurs, and means for securing JOHN Mt MURRAY,

the casing to the Wheel. MARTHA A. BARKLAGE. 

